Avoid empty-if warnings.

[bison.git] / src / scan-code.l

diff --git a/src/scan-code.l b/src/scan-code.l
index 9e51401394fd2f8c32644d03c6832fd84437a4d8..71c90768efb4700f2d52d888b4e3a9d604a075bc 100644 (file)
--- a/src/scan-code.l
+++ b/src/scan-code.l
@@ -1,12 +1,12 @@
 /* Bison Action Scanner                             -*- C -*-
 
-   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -15,10 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301  USA
-*/
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 %option debug nodefault nounput noyywrap never-interactive
 %option prefix="code_" outfile="lex.yy.c"
@@ -173,7 +170,7 @@ splice       (\\[ \f\t\v]*\n)*
 
   "{"  STRING_GROW; ++braces_level;
   "}"  {
-    bool outer_brace = --braces_level < 0;
+    bool outer_brace = --braces_level == 0;
 
     /* As an undocumented Bison extension, append `;' before the last
        brace in braced code, so that the user code can omit trailing